|
Molecular Formula: HF
Molecular Weight: 20.01
Properties: colorless transparent fuming liquid, relative density: 1.128(40%). corrosive to glass and silicate; can react with metal salts, oxides and hydroxide and generate fluorides. Highly toxic!
Specifications:
Industrial hydrofluoric acid GB7744－1998
|
Item Name |
Details |
|
Best quality |
First quality |
Qualifier |
|
HF-40 |
HF-55 |
HF-40 |
HF-55 |
|
Fluorine hydride %≥ |
40.0 |
40.0 |
55.0 |
40.0 |
55.0 |
|
Hydrofluosilicic acid %≤ |
0.02 |
0.2 |
0.5 |
2.5 |
5.0 |
|
Fixed acid(H2SO4) %≤ |
0.02 |
0.05 |
0.08 |
1.0 |
2.0 |
Packing: In corrosion-resistant plastic bottle or plastic drum; stored in draughty place, temp.: below 30℃, relative humidity: 85% below. Avoid dampness, heating or rain; handle with care, prevent from impact or up-side-down.
Use: Mainly used in the manufacture of inorganic fluorides, metallurgical analysis, silicon compounds analysis etc.
|
Anhydrous hydrofluoric acid |
|
Item Name |
Details |
|
A |
B |
C |
| Hydrofluoric Content ppm ≥ |
99.99 |
99.98 |
99.95 |
| Moisture ppm≤ |
50 |
120 |
300 |
| Fluorsoilicic Acid ppm≤ |
60 |
80 |
100 |
| Sulfur dioxide(SO2) ppm≤ |
40 |
60 |
70 |
| Non-volatile Acid(H2SO4) ppm≤ |
40 |
50 |
50 |
| As ppm ≤ |
5 |
10 | Packing: ISO Tank |
